Published by:
CGP EDU Academic Team
Published on: August 23, 2026
The threshold frequency of a metal is
. When the light of frequency
is incident on the metal plate, the maximum velocity of photoelectrons is
. When the frequency of incident radiation is increased to
, the maximum velocity of photoelectrons emitted is
. The ratio of
to
is:
Text Solution
Verified by ExpertsThe correct answer is:
D
Using photoelectric equation

As per question






Equation 

As we know

──────────────────────────────────────────────────────────────────────────────────────────
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
PART-I PHYSICS
SECTION-A
For three low density gases pressure versus temperature graphs are plotte…
An electron of a hydrogen like atom, having , jumps from energy state to energy state. The energ…
The ratio of average electric energy density and total average energy density of electromagnetic wa…
Two objects A and B are placed at and from the pole in front of a concave mirror having radius of…
Equivalent resistance between the adjacent corners of a regular n-sided polygon of uniform wire of …
A Carnot engine operating between two reservoirs has efficiency . When the temperature of cold res…